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Lumbar spine MRI showing a foraminal disc extrusion compressing the exiting L5 nerve root

Lumbar spine MRI showing a foraminal disc extrusion compressing the exiting L5 nerve root
Sagittal T1-weighted MRI of the lumbar spine shows a foraminal disc extrusion filling the L5-S1 neural foramen (arrow), likely compressing the exiting L5 nerve root. Note hyperintense fat surrounding the normal exiting L4 nerve root at the level above (arrowhead).
MRI: magnetic resonance imaging.
Courtesy of Eric D. Schwartz, MD.
Graphic 79837 Version 4.0